EP 2873657 A1 20150520 - Admixture composition to improve strength of cement cured products

Title (en)

Admixture composition to improve strength of cement cured products

Title (de)

Beimengungszusammensetzung zur Verbesserung der Festigkeit von zementgehärteten Produkten

Title (fr)

Composition de mélange pour améliorer la résistance de produits durcis du ciment

Publication

EP 2873657 A1 20150520 (EN)

Application

EP 13192758 A 20131113

Priority

EP 13192758 A 20131113

Abstract (en)

An admixture composition for use in cementitious compositions for improving the properties of the cementitious composition wherein the admixture composition comprises at least a polycarboxylate type comb-polymer dispersant and a hydroxyl amine compound selected from EDIPA (N,N-bis (2 hydroxypropyl) -N- (hydroxyethyl) amine) and optionally one or more polyhydroxyalkyl ethyleneamine compounds.

IPC 8 full level

C04B 28/02 (2006.01); C04B 40/00 (2006.01); C04B 103/10 (2006.01); C04B 103/30 (2006.01); C04B 103/32 (2006.01); C04B 103/52 (2006.01)

CPC (source: EP US)

C04B 24/121 (2013.01 - US); C04B 24/2641 (2013.01 - US); C04B 28/02 (2013.01 - EP US); C04B 40/0039 (2013.01 - EP US); C04B 2103/10 (2013.01 - EP US); C04B 2103/302 (2013.01 - EP US); C04B 2103/32 (2013.01 - EP US); C04B 2103/52 (2013.01 - EP US)

C-Set (source: EP US)

Citation (applicant)

FR 2485949 A1 19820108 - PROTEX MANUF PROD CHIMIQ [FR]
US 4401472 A 19830830 - GERBER ARTHUR H [US]
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Citation (search report)

[ID] US 7972435 B2 20110705 - BURY JEFFREY R [US], et al
[AD] US 6048393 A 20000411 - CHEUNG JOSEPHINE HO-WAH [US], et al
[IDA] US 6899177 B2 20050531 - CHATTERJ JITEN [US], et al
[A] WO 2013164213 A1 20131107 - CONSTR RES & TECH GMBH [DE]
[A] WO 2011029711 A1 20110317 - BASF CONSTRUCTION POLYMERS GMBH [DE], et al
[A] EP 1790625 A1 20070530 - SIKA TECHNOLOGY AG [CH]
[A] US 2004149172 A1 20040805 - JARDINE LESLIE A [US], et al
[A] EP 2527310 A1 20121128 - SIKA TECHNOLOGY AG [CH]
[A] DRESSEL D ET AL: "Modern grinding aids and their influence on the hydraulic properties of GBFS", ZEMENT-KALK-GIPS-ZKG INTERNATIONAL, BAUVERLAG BV., GETERSLOH, DE, vol. 63, no. 2, 1 February 2010 (2010-02-01), pages 43 - 54, XP001555667, ISSN: 0949-0205

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2873657 A1 20150520; AU 2014344149 A1 20160428; AU 2014344149 B2 20170907; BR 112016009522 A2 20170801; BR 112016009522 B1 20220104; CA 2928536 A1 20150507; CA 2928536 C 20220628; EP 3063101 A1 20160907; EP 3063101 B1 20180606; JP 2016536247 A 20161124; JP 6397011 B2 20180926; MX 2016005366 A 20160811; US 11472739 B2 20221018; US 2016264465 A1 20160915; WO 2015062798 A1 20150507

DOCDB simple family (application)

EP 13192758 A 20131113; AU 2014344149 A 20140929; BR 112016009522 A 20140929; CA 2928536 A 20140929; EP 14780811 A 20140929; EP 2014070746 W 20140929; JP 2016525022 A 20140929; MX 2016005366 A 20140929; US 201415033129 A 20140929